John Allard
9Patents
7h-index
7Co-inventors
56Inventor score
Filing activity: Dec 8, 1978 → May 30, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4251988A | Defrosting system using actual defrosting time as a controlling parameter | Mechanical Engineering; Lighting; Heating | 93 | Expired |
| US4850204A | Adaptive defrost system with ambient condition change detector | Mechanical Engineering; Lighting; Heating | 89 | Expired |
| US5844207A | Control for an electric heating device for providing consistent heating results | Human Necessities | 18 | Expired |
| US4993267A | Electronic transducer | Physics | 18 | Expired |
| US4918833A | Method of assembling an electronic transducer | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4176785A | Automatic temperature controller with night setback and operating as a function of outside air | Physics | 9 | Expired |
| US6355912B2 | Safety circuit for heating devices using PTC wire | Electricity | 8 | Expired |
| US6332852A | Variable ratio drive system | Performing Operations; Transporting | 7 | Expired |
| US6312150A | Speed control for a mixer for providing an incremental power boost | Human Necessities | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.